Module Name:    src
Committed By:   riz
Date:           Fri Mar 15 18:49:53 UTC 2013

Modified Files:
        src/share/zoneinfo [netbsd-6]: africa antarctica asia australasia
            europe northamerica southamerica zone.tab

Log Message:
Apply changes (requested by apb in ticket #845):

Merge tzdata2013a from ftp://ftp.iana.org/tz/releases/tzdata2013a.tar.gz
Merge tzdata2013b from ftp://ftp.iana.org/tz/releases/tzdata2013b.tar.gz

Changes from tzdata2012j to tzdata2013a:

   Change affecting binary data format:

     The zone offset at the end of version-2-format zone files is now
     allowed to be 24:00, as per POSIX.1-2008.  (Thanks to Arthor David Olson.)

   Changes affecting current and future time stamps:

     Chile's 2013 rules, and we guess rules for 2014 and later, will be
     the same as 2012, namely Apr Sun>=23 03:00 UTC to Sep Sun>=2 04:00 UTC.
     (Thanks to Steffen Thorsen and Robert Elz.)

     New Zones Asia/Khandyga, Asia/Ust-Nera, Europe/Busingen.
     (Thanks to Tobias Conradi and Arthur David Olson.)

   Many changes affect historical time stamps before 1940.
   These were deduced from: Milne J. Civil time. Geogr J. 1899
   Feb;13(2):173-94 <http://www.jstor.org/stable/1774359>.

Changes from tzdata2012j to tzdata2013a:

   Changes affecting current and future time stamps:

     Haiti uses US daylight-saving rules this year, and presumably future years.
     This changes time stamps starting today.  (Thanks to Steffen Thorsen.)

     Paraguay will end DST on March 24 this year.
     (Thanks to Steffen Thorsen.)  For now, assume it's just this year.

     Morocco does not observe DST during Ramadan;
     try to predict Ramadan in Morocco as best we can.
     (Thanks to Erik Homoet for the heads-up.)

   Changes affecting commentary:

     Update URLs in tz-link page.  Add URLs for webOS, BB10, iOS.
     Update URL for Solaris.  Mention Internet RFC 6557.
     Update Internet RFCs 2445->5545, 2822->5322.
     Switch from FTP to HTTP for Internet RFCs.


To generate a diff of this commit:
cvs rdiff -u -r1.1.1.30.4.3 -r1.1.1.30.4.4 src/share/zoneinfo/africa
cvs rdiff -u -r1.1.1.19.4.2 -r1.1.1.19.4.3 src/share/zoneinfo/antarctica
cvs rdiff -u -r1.1.1.50.4.6 -r1.1.1.50.4.7 src/share/zoneinfo/asia
cvs rdiff -u -r1.23.4.6 -r1.23.4.7 src/share/zoneinfo/australasia
cvs rdiff -u -r1.1.1.44.4.4 -r1.1.1.44.4.5 src/share/zoneinfo/europe
cvs rdiff -u -r1.1.1.49.4.6 -r1.1.1.49.4.7 src/share/zoneinfo/northamerica
cvs rdiff -u -r1.1.1.46.4.6 -r1.1.1.46.4.7 src/share/zoneinfo/southamerica
cvs rdiff -u -r1.1.1.39.4.3 -r1.1.1.39.4.4 src/share/zoneinfo/zone.tab

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/share/zoneinfo/africa
diff -u src/share/zoneinfo/africa:1.1.1.30.4.3 src/share/zoneinfo/africa:1.1.1.30.4.4
--- src/share/zoneinfo/africa:1.1.1.30.4.3	Thu Mar 14 19:16:42 2013
+++ src/share/zoneinfo/africa	Fri Mar 15 18:49:52 2013
@@ -6,7 +6,7 @@
 # go ahead and edit the file (and please send any changes to
 # t...@iana.org for general use in the future).
 
-# From Paul Eggert (2006-03-22):
+# From Paul Eggert (2013-02-21):
 #
 # A good source for time zone historical data outside the U.S. is
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
@@ -25,6 +25,10 @@
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
 # I found in the UCLA library.
 #
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+# <http://www.jstor.org/stable/1774359>.
+#
 # A reliable and entertaining source about time zones is
 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
 #
@@ -116,8 +120,12 @@ Zone Africa/Porto-Novo	0:10:28	-	LMT	191
 			1:00	-	WAT
 
 # Botswana
+# From Paul Eggert (2013-02-21):
+# Milne says they were regulated by the Cape Town Signal in 1899;
+# assume they switched to 2:00 when Cape Town did.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Africa/Gaborone	1:43:40 -	LMT	1885
+			1:30	-	SAST	1903 Mar
 			2:00	-	CAT	1943 Sep 19 2:00
 			2:00	1:00	CAST	1944 Mar 19 2:00
 			2:00	-	CAT
@@ -189,6 +197,11 @@ Zone	Africa/Djibouti	2:52:36 -	LMT	1911 
 
 # Egypt
 
+# Milne says Cairo used 2:05:08.9, the local mean time of the Abbasizeh
+# observatory; round to nearest.  Milne also says that the official time for
+# Egypt was mean noon at the Great Pyramid, 2:04:30.5, but apparently this
+# did not apply to Cairo, Alexandria, or Port Said.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Egypt	1940	only	-	Jul	15	0:00	1:00	S
 Rule	Egypt	1940	only	-	Oct	 1	0:00	0	-
@@ -329,7 +342,7 @@ Rule	Egypt	2010	only	-	Sep	10	0:00	1:00	
 Rule	Egypt	2010	only	-	Sep	lastThu	23:00s	0	-
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Africa/Cairo	2:05:00 -	LMT	1900 Oct
+Zone	Africa/Cairo	2:05:09 -	LMT	1900 Oct
 			2:00	Egypt	EE%sT
 
 # Equatorial Guinea

Index: src/share/zoneinfo/antarctica
diff -u src/share/zoneinfo/antarctica:1.1.1.19.4.2 src/share/zoneinfo/antarctica:1.1.1.19.4.3
--- src/share/zoneinfo/antarctica:1.1.1.19.4.2	Tue Jul 31 08:48:09 2012
+++ src/share/zoneinfo/antarctica	Fri Mar 15 18:49:52 2013
@@ -50,10 +50,8 @@ Rule	ChileAQ	2009	only	-	Mar	Sun>=9	3:00
 Rule	ChileAQ	2010	only	-	Apr	Sun>=1	3:00u	0	-
 Rule	ChileAQ	2011	only	-	May	Sun>=2	3:00u	0	-
 Rule	ChileAQ	2011	only	-	Aug	Sun>=16	4:00u	1:00	S
-Rule	ChileAQ	2012	only	-	Apr	Sun>=23	3:00u	0	-
-Rule	ChileAQ	2012	only	-	Sep	Sun>=2	4:00u	1:00	S
-Rule	ChileAQ	2013	max	-	Mar	Sun>=9	3:00u	0	-
-Rule	ChileAQ	2013	max	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	ChileAQ	2012	max	-	Apr	Sun>=23	3:00u	0	-
+Rule	ChileAQ	2012	max	-	Sep	Sun>=2	4:00u	1:00	S
 
 # These rules are stolen from the `australasia' file.
 Rule	AusAQ	1917	only	-	Jan	 1	0:01	1:00	-

Index: src/share/zoneinfo/asia
diff -u src/share/zoneinfo/asia:1.1.1.50.4.6 src/share/zoneinfo/asia:1.1.1.50.4.7
--- src/share/zoneinfo/asia:1.1.1.50.4.6	Tue Nov 20 23:16:36 2012
+++ src/share/zoneinfo/asia	Fri Mar 15 18:49:52 2013
@@ -6,7 +6,7 @@
 # go ahead and edit the file (and please send any changes to
 # t...@iana.org for general use in the future).
 
-# From Paul Eggert (2006-03-22):
+# From Paul Eggert (2013-02-21):
 #
 # A good source for time zone historical data outside the U.S. is
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
@@ -25,6 +25,10 @@
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
 # I found in the UCLA library.
 #
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+# <http://www.jstor.org/stable/1774359>.
+#
 # A reliable and entertaining source about time zones is
 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
 #
@@ -279,9 +283,12 @@ Zone	Asia/Brunei	7:39:40 -	LMT	1926 Mar 
 			8:00	-	BNT
 
 # Burma / Myanmar
+
+# Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon.
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 Zone	Asia/Rangoon	6:24:40 -	LMT	1880		# or Yangon
-			6:24:36	-	RMT	1920	   # Rangoon Mean Time?
+			6:24:40	-	RMT	1920	   # Rangoon Mean Time?
 			6:30	-	BURT	1942 May   # Burma Time
 			9:00	-	JST	1945 May 3
 			6:30	-	MMT		   # Myanmar Time
@@ -384,7 +391,8 @@ Zone	Asia/Harbin	8:26:44	-	LMT	1928 # or
 			8:00	PRC	C%sT
 # Zhongyuan Time ("Central plain Time")
 # most of China
-Zone	Asia/Shanghai	8:05:52	-	LMT	1928
+# Milne gives 8:05:56.7; round to nearest.
+Zone	Asia/Shanghai	8:05:57	-	LMT	1928
 			8:00	Shang	C%sT	1949
 			8:00	PRC	C%sT
 # Long-shu Time (probably due to Long and Shu being two names of that area)
@@ -481,6 +489,10 @@ Zone	Asia/Kashgar	5:03:56	-	LMT	1928 # o
 			8:00	PRC	C%sT
 
 
+# Hong Kong (Xianggang)
+
+# Milne gives 7:36:41.7; round this.
+
 # From Lee Yiu Chung (2009-10-24):
 # I found there are some mistakes for the...DST rule for Hong
 # Kong. [According] to the DST record from Hong Kong Observatory (actually,
@@ -547,7 +559,6 @@ Zone	Asia/Kashgar	5:03:56	-	LMT	1928 # o
 # The Japanese surrender of Hong Kong was signed 1945-09-15.
 # For lack of anything better, use start of those days as the transition times.
 
-# Hong Kong (Xianggang)
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	HK	1941	only	-	Apr	1	3:30	1:00	S
 Rule	HK	1941	only	-	Sep	30	3:30	0	-
@@ -569,7 +580,7 @@ Rule	HK	1973	only	-	Dec	30	3:30	1:00	S
 Rule	HK	1979	only	-	May	Sun>=8	3:30	1:00	S
 Rule	HK	1979	only	-	Oct	Sun>=16	3:30	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Hong_Kong	7:36:36 -	LMT	1904 Oct 30
+Zone	Asia/Hong_Kong	7:36:42 -	LMT	1904 Oct 30
 			8:00	HK	HK%sT	1941 Dec 25
 			9:00	-	JST	1945 Sep 15
 			8:00	HK	HK%sT
@@ -646,6 +657,9 @@ Zone	Asia/Macau	7:34:20 -	LMT	1912
 ###############################################################################
 
 # Cyprus
+#
+# Milne says the Eastern Telegraph Company used 2:14:00.  Stick with LMT.
+#
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Cyprus	1975	only	-	Apr	13	0:00	1:00	S
 Rule	Cyprus	1975	only	-	Oct	12	0:00	0	-
@@ -1804,8 +1818,11 @@ Zone	Asia/Kathmandu	5:41:16 -	LMT	1920
 			5:45	-	NPT	# Nepal Time
 
 # Oman
+
+# Milne says 3:54:24 was the meridian of the Muscat Tidal Observatory.
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Muscat	3:54:20 -	LMT	1920
+Zone	Asia/Muscat	3:54:24 -	LMT	1920
 			4:00	-	GST
 
 # Pakistan
@@ -2400,6 +2417,13 @@ Zone	Asia/Singapore	6:55:25 -	LMT	1901 J
 # no information
 
 # Sri Lanka
+
+# From Paul Eggert (2013-02-21):
+# Milne says "Madras mean time use from May 1, 1898.  Prior to this Colombo
+# mean time, 5h. 4m. 21.9s. F., was used."  But 5:04:21.9 differs considerably
+# from Colombo's meridian 5:19:24, so for now ignore Milne and stick with
+# Shanks and Pottenger.
+
 # From Paul Eggert (1996-09-03):
 # "Sri Lanka advances clock by an hour to avoid blackout"
 # (www.virtual-pc.com/lankaweb/news/items/240596-2.html, 1996-05-24,
@@ -2699,6 +2723,12 @@ Zone	Asia/Tashkent	4:37:12 -	LMT	1924 Ma
 
 # Vietnam
 
+# From Paul Eggert (2013-02-21):
+# Milne gives 7:16:56 for the meridian of Saigon in 1899, as being
+# used in Lower Laos, Cambodia, and Annam.  But this is quite a ways
+# from Saigon's location.  For now, ignore this and stick with Shanks
+# and Pottenger.
+
 # From Arthur David Olson (2008-03-18):
 # The English-language name of Vietnam's most populous city is "Ho Chi Min City";
 # we use Ho_Chi_Minh below to avoid a name of more than 14 characters.
@@ -2712,6 +2742,10 @@ Zone	Asia/Ho_Chi_Minh	7:06:40 -	LMT	1906
 			7:00	-	ICT
 
 # Yemen
+
+# Milne says 2:59:54 was the meridian of the saluting battery at Aden,
+# and that Yemen was at 1:55:56, the meridian of the Hagia Sophia.
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Asia/Aden	3:00:48	-	LMT	1950
+Zone	Asia/Aden	2:59:54	-	LMT	1950
 			3:00	-	AST

Index: src/share/zoneinfo/australasia
diff -u src/share/zoneinfo/australasia:1.23.4.6 src/share/zoneinfo/australasia:1.23.4.7
--- src/share/zoneinfo/australasia:1.23.4.6	Tue Nov 20 23:16:36 2012
+++ src/share/zoneinfo/australasia	Fri Mar 15 18:49:52 2013
@@ -246,6 +246,9 @@ Zone	Indian/Cocos	6:27:40	-	LMT	1900
 			6:30	-	CCT	# Cocos Islands Time
 
 # Fiji
+
+# Milne gives 11:55:44 for Suva.
+
 # From Alexander Krivenyshev (2009-11-10):
 # According to Fiji Broadcasting Corporation,  Fiji plans to re-introduce DST
 # from November 29th 2009  to April 25th 2010.
@@ -339,7 +342,7 @@ Rule	Fiji	2010	max	-	Oct	Sun>=18	2:00	1:
 Rule	Fiji	2011	only	-	Mar	Sun>=1	3:00	0	-
 Rule	Fiji	2012	max	-	Jan	Sun>=18	3:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Pacific/Fiji	11:53:40 -	LMT	1915 Oct 26	# Suva
+Zone	Pacific/Fiji	11:55:44 -	LMT	1915 Oct 26	# Suva
 			12:00	Fiji	FJ%sT	# Fiji Time
 
 # French Polynesia
@@ -782,7 +785,7 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # go ahead and edit the file (and please send any changes to
 # t...@iana.org for general use in the future).
 
-# From Paul Eggert (2006-03-22):
+# From Paul Eggert (2013-02-21):
 # A good source for time zone historical data outside the U.S. is
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
@@ -800,6 +803,10 @@ Zone	Pacific/Wallis	12:15:20 -	LMT	1901
 # Whitman Publishing Co, 2 Niagara Av, Ealing, London (undated), which
 # I found in the UCLA library.
 #
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+# <http://www.jstor.org/stable/1774359>.
+#
 # A reliable and entertaining source about time zones is
 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
 #

Index: src/share/zoneinfo/europe
diff -u src/share/zoneinfo/europe:1.1.1.44.4.4 src/share/zoneinfo/europe:1.1.1.44.4.5
--- src/share/zoneinfo/europe:1.1.1.44.4.4	Tue Nov 20 23:16:37 2012
+++ src/share/zoneinfo/europe	Fri Mar 15 18:49:53 2013
@@ -30,6 +30,12 @@
 #	William Willett, The Waste of Daylight, 19th edition
 #	</a> (1914-03)
 #
+#	Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+#	<http://www.jstor.org/stable/1774359>.  He writes:
+#	"It is requested that corrections and additions to these tables
+#	may be sent to Mr. John Milne, Royal Geographical Society,
+#	Savile Row, London."  Nowadays please email them to t...@iana.org.
+#
 #	Brazil's Departamento Servico da Hora (DSH),
 #	<a href="http://pcdsh01.on.br/HISTHV.htm";>
 #	History of Summer Time
@@ -666,6 +672,8 @@ Zone	Europe/Andorra	0:06:04 -	LMT	1901
 
 # Austria
 
+# Milne says Vienna time was 1:05:21.
+
 # From Paul Eggert (2006-03-22): Shanks & Pottenger give 1918-06-16 and
 # 1945-11-18, but the Austrian Federal Office of Metrology and
 # Surveying (BEV) gives 1918-09-16 and for Vienna gives the "alleged"
@@ -683,7 +691,7 @@ Rule	Austria	1948	only	-	Apr	18	2:00s	1:
 Rule	Austria	1980	only	-	Apr	 6	0:00	1:00	S
 Rule	Austria	1980	only	-	Sep	28	0:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	Europe/Vienna	1:05:20 -	LMT	1893 Apr
+Zone	Europe/Vienna	1:05:21 -	LMT	1893 Apr
 			1:00	C-Eur	CE%sT	1920
 			1:00	Austria	CE%sT	1940 Apr  1 2:00s
 			1:00	C-Eur	CE%sT	1945 Apr  2 2:00s
@@ -1239,6 +1247,21 @@ Zone	Europe/Berlin	0:53:28 -	LMT	1893 Ap
 			1:00	Germany	CE%sT	1980
 			1:00	EU	CE%sT
 
+# From Tobias Conradi (2011-09-12):
+# Busingen <http://www.buesingen.de>, surrounded by the Swiss canton
+# Schaffhausen, did not start observing DST in 1980 as the rest of DE
+# (West Germany at that time) and DD (East Germany at that time) did.
+# DD merged into DE, the area is currently covered by code DE in ISO 3166-1,
+# which in turn is covered by the zone Europe/Berlin.
+#
+# Source for the time in Busingen 1980:
+# http://www.srf.ch/player/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3
+
+# From Arthur David Olson (2012-03-03):
+# Busingen and Zurich have shared clocks since 1970.
+
+Link	Europe/Zurich	Europe/Busingen
+
 # Georgia
 # Please see the "asia" file for Asia/Tbilisi.
 # Herodotus (Histories, IV.45) says Georgia north of the Phasis (now Rioni)
@@ -2043,6 +2066,70 @@ Zone Europe/Bucharest	1:44:24 -	LMT	1891
 
 # Russia
 
+# From Alexander Krivenyshev (2011-09-15):
+# Based on last Russian Government Decree # 725 on August 31, 2011
+# (Government document
+# <a href="http://www.government.ru/gov/results/16355/print/";>
+# http://www.government.ru/gov/results/16355/print/
+# </a>
+# in Russian)
+# there are few corrections have to be made for some Russian time zones...
+# All updated Russian Time Zones were placed in table and translated to English
+# by WorldTimeZone.com at the link below:
+# <a href="http://www.worldtimezone.com/dst_news/dst_news_russia36.htm";>
+# http://www.worldtimezone.com/dst_news/dst_news_russia36.htm
+# </a>
+
+# From Sanjeev Gupta (2011-09-27):
+# Scans of [Decree #23 of January 8, 1992] are available at:
+# <a href="http://government.consultant.ru/page.aspx?1223966";>
+# http://government.consultant.ru/page.aspx?1223966
+# They are in Cyrillic letters (presumably Russian).
+
+# From Arthur David Olson (2012-05-09):
+# Regarding the instant when clocks in time-zone-shifting parts of Russia
+# changed in September 2011:
+#
+# One source is
+# < a href="http://government.ru/gov/results/16355/>
+# http://government.ru/gov/results/16355/
+# </a>
+# which, according to translate.google.com, begins "Decree of August 31,
+# 2011 No 725" and contains no other dates or "effective date" information.
+#
+# Another source is
+# <a href="http://www.rg.ru/2011/09/06/chas-zona-dok.html";>
+# http://www.rg.ru/2011/09/06/chas-zona-dok.html
+# </a>
+# which, according to translate.google.com, begins "Resolution of the
+# Government of the Russian Federation on August 31, 2011 N 725" and also
+# contains "Date first official publication: September 6, 2011 Posted on:
+# in the 'RG' - Federal Issue number 5573 September 6, 2011" but which
+# does not contain any "effective date" information.
+#
+# Another source is
+# <a href="http://en.wikipedia.org/wiki/Oymyakonsky_District#cite_note-RuTime-7";>
+# http://en.wikipedia.org/wiki/Oymyakonsky_District#cite_note-RuTime-7
+# </a>
+# which, in note 8, contains "Resolution #725 of August 31, 2011...
+# Effective as of after 7 days following the day of the official publication"
+# but which does not contain any reference to September 6, 2011.
+#
+# The Wikipedia article refers to
+# <a href="http://base.consultant.ru/cons/cgi/online.cgi?req=doc;base=LAW;n=118896";>
+# http://base.consultant.ru/cons/cgi/online.cgi?req=doc;base=LAW;n=118896
+# </a>
+# which seems to copy the text of the government.ru page.
+#
+# Tobias Conradi combines Wikipedia's
+# "as of after 7 days following the day of the official publication"
+# with www.rg.ru's "Date of first official publication: September 6, 2011" to get
+# September 13, 2011 as the cutover date (unusually, a Tuesday, as Tobias Conradi notes).
+#
+# None of the sources indicates a time of day for changing clocks.
+#
+# Go with 2011-09-13 0:00s.
+
 # From Paul Eggert (2006-03-22):
 # Except for Moscow after 1919-07-01, I invented the time zone abbreviations.
 # Moscow time zone abbreviations after 1919-07-01, and Moscow rules after 1991,
@@ -2270,14 +2357,32 @@ Zone Asia/Yakutsk	 8:38:40 -	LMT	1919 De
 # [parts of] Respublika Sakha (Yakutiya).
 
 # From Oscar van Vlijmen (2009-11-29):
-# The Sakha districts are: Bulunskij, Verkhoyanskij, Tomponskij, Ust'-Majskij,
-# Ust'-Yanskij.
+# The Sakha districts are: Bulunskij, Verkhoyanskij, ... Ust'-Yanskij.
 Zone Asia/Vladivostok	 8:47:44 -	LMT	1922 Nov 15
 			 9:00	-	VLAT	1930 Jun 21 # Vladivostok Time
 			10:00	Russia	VLA%sT	1991 Mar 31 2:00s
 			 9:00	Russia	VLA%sST	1992 Jan 19 2:00s
 			10:00	Russia	VLA%sT	2011 Mar 27 2:00s
 			11:00	-	VLAT
+
+# From Arthur David Olson (2012-05-09):
+# Tomponskij and Ust'-Majskij switched from Vladivostok time to Yakutsk time
+# in 2011.
+#
+# From Paul Eggert (2012-11-25):
+# Shanks and Pottenger (2003) has Khandyga on Yakutsk time.
+# Make a wild guess that it switched to Vladivostok time in 2004.
+# This transition is no doubt wrong, but we have no better info.
+#
+Zone Asia/Khandyga	 9:02:13 -	LMT	1919 Dec 15
+			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
+			 9:00	Russia	YAK%sT	1991 Mar 31 2:00s
+			 8:00	Russia	YAK%sT	1992 Jan 19 2:00s
+			 9:00	Russia	YAK%sT	2004
+			10:00	Russia	VLA%sT	2011 Mar 27 2:00s
+			11:00	-	VLAT	2011 Sep 13 0:00s # Decree 725?
+			10:00	-	YAKT
+
 #
 # Sakhalinskaya oblast'.
 # The Zone name should be Yuzhno-Sakhalinsk, but that's too long.
@@ -2296,14 +2401,26 @@ Zone Asia/Sakhalin	 9:30:48 -	LMT	1905 A
 
 # From Oscar van Vlijmen (2009-11-29):
 # The Sakha districts are: Abyjskij, Allaikhovskij, Verkhhhnekolymskij, Momskij,
-# Nizhnekolymskij, Ojmyakonskij, Srednekolymskij.
+# Nizhnekolymskij, ... Srednekolymskij.
 Zone Asia/Magadan	10:03:12 -	LMT	1924 May  2
 			10:00	-	MAGT	1930 Jun 21 # Magadan Time
 			11:00	Russia	MAG%sT	1991 Mar 31 2:00s
 			10:00	Russia	MAG%sT	1992 Jan 19 2:00s
 			11:00	Russia	MAG%sT	2011 Mar 27 2:00s
 			12:00	-	MAGT
-#
+
+# From Arthur David Olson (2012-05-09):
+# Ojmyakonskij and the Kuril Islands switched from
+# Magadan time to Vladivostok time in 2011.
+Zone Asia/Ust-Nera	 9:32:54 -	LMT	1919 Dec 15
+			 8:00	-	YAKT	1930 Jun 21 # Yakutsk Time
+			 9:00	Russia	YAKT	1981 Apr  1
+			11:00	Russia	MAG%sT	1991 Mar 31 2:00s
+			10:00	Russia	MAG%sT	1992 Jan 19 2:00s
+			11:00	Russia	MAG%sT	2011 Mar 27 2:00s
+			12:00	-	MAGT	2011 Sep 13 0:00s # Decree 725?
+			11:00	-	VLAT
+
 # From Oscar van Vlijmen (2001-08-25): [This region consists of]
 # Kamchatskaya oblast', Koryakskij avtonomnyj okrug.
 #

Index: src/share/zoneinfo/northamerica
diff -u src/share/zoneinfo/northamerica:1.1.1.49.4.6 src/share/zoneinfo/northamerica:1.1.1.49.4.7
--- src/share/zoneinfo/northamerica:1.1.1.49.4.6	Thu Mar 14 19:16:42 2013
+++ src/share/zoneinfo/northamerica	Fri Mar 15 18:49:53 2013
@@ -1019,6 +1019,9 @@ Zone America/Menominee	-5:50:27 -	LMT	18
 #	William Willett, The Waste of Daylight, 19th edition
 #	</a> (1914-03)
 #
+#	Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+#	<http://www.jstor.org/stable/1774359>.
+#
 # See the `europe' file for Greenland.
 
 # Canada
@@ -2554,6 +2557,8 @@ Zone	America/Antigua	-4:07:12 -	LMT	1912
 
 # Bahamas
 #
+# For 1899 Milne gives -5:09:29.5; round that.
+#
 # From Sue Williams (2006-12-07):
 # The Bahamas announced about a month ago that they plan to change their DST
 # rules to sync with the U.S. starting in 2007....
@@ -2563,11 +2568,14 @@ Zone	America/Antigua	-4:07:12 -	LMT	1912
 Rule	Bahamas	1964	1975	-	Oct	lastSun	2:00	0	S
 Rule	Bahamas	1964	1975	-	Apr	lastSun	2:00	1:00	D
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	America/Nassau	-5:09:24 -	LMT	1912 Mar 2
+Zone	America/Nassau	-5:09:30 -	LMT	1912 Mar 2
 			-5:00	Bahamas	E%sT	1976
 			-5:00	US	E%sT
 
 # Barbados
+
+# For 1899 Milne gives -3:58:29.2; round that.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	Barb	1977	only	-	Jun	12	2:00	1:00	D
 Rule	Barb	1977	1978	-	Oct	Sun>=1	2:00	0	S
@@ -2575,8 +2583,8 @@ Rule	Barb	1978	1980	-	Apr	Sun>=15	2:00	1
 Rule	Barb	1979	only	-	Sep	30	2:00	0	S
 Rule	Barb	1980	only	-	Sep	25	2:00	0	S
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone America/Barbados	-3:58:28 -	LMT	1924		# Bridgetown
-			-3:58:28 -	BMT	1932	  # Bridgetown Mean Time
+Zone America/Barbados	-3:58:29 -	LMT	1924		# Bridgetown
+			-3:58:29 -	BMT	1932	  # Bridgetown Mean Time
 			-4:00	Barb	A%sT
 
 # Belize
@@ -2594,6 +2602,9 @@ Zone	America/Belize	-5:52:48 -	LMT	1912 
 
 # Bermuda
 
+# For 1899 Milne gives -4:19:18.3 as the meridian of the clock tower,
+# Bermuda dockyard, Ireland I; round that.
+
 # From Dan Jones, reporting in The Royal Gazette (2006-06-26):
 
 # Next year, however, clocks in the US will go forward on the second Sunday
@@ -2603,7 +2614,7 @@ Zone	America/Belize	-5:52:48 -	LMT	1912 
 # http://www.theroyalgazette.com/apps/pbcs.dll/article?AID=/20060529/NEWS/105290135
 
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone Atlantic/Bermuda	-4:19:04 -	LMT	1930 Jan  1 2:00    # Hamilton
+Zone Atlantic/Bermuda	-4:19:18 -	LMT	1930 Jan  1 2:00    # Hamilton
 			-4:00	-	AST	1974 Apr 28 2:00
 			-4:00	Bahamas	A%sT	1976
 			-4:00	US	A%sT
@@ -2615,6 +2626,9 @@ Zone	America/Cayman	-5:25:32 -	LMT	1890	
 			-5:00	-	EST
 
 # Costa Rica
+
+# Milne gives -5:36:13.3 as San Jose mean time; round to nearest.
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	CR	1979	1980	-	Feb	lastSun	0:00	1:00	D
 Rule	CR	1979	1980	-	Jun	Sun>=1	0:00	0	S
@@ -2625,14 +2639,19 @@ Rule	CR	1991	only	-	Jul	 1	0:00	0	S
 Rule	CR	1992	only	-	Mar	15	0:00	0	S
 # There are too many San Joses elsewhere, so we'll use `Costa Rica'.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone America/Costa_Rica	-5:36:20 -	LMT	1890		# San Jose
-			-5:36:20 -	SJMT	1921 Jan 15 # San Jose Mean Time
+Zone America/Costa_Rica	-5:36:13 -	LMT	1890		# San Jose
+			-5:36:13 -	SJMT	1921 Jan 15 # San Jose Mean Time
 			-6:00	CR	C%sT
 # Coco
 # no information; probably like America/Costa_Rica
 
 # Cuba
 
+# From Paul Eggert (2013-02-21):
+# Milne gives -5:28:50.45 for the observatory at Havana, -5:29:23.57
+# for the port, and -5:30 for meteorological observations.
+# For now, stick with Shanks & Pottenger.
+
 # From Arthur David Olson (1999-03-29):
 # The 1999-03-28 exhibition baseball game held in Havana, Cuba, between
 # the Cuban National Team and the Baltimore Orioles was carried live on

Index: src/share/zoneinfo/southamerica
diff -u src/share/zoneinfo/southamerica:1.1.1.46.4.6 src/share/zoneinfo/southamerica:1.1.1.46.4.7
--- src/share/zoneinfo/southamerica:1.1.1.46.4.6	Thu Mar 14 19:26:42 2013
+++ src/share/zoneinfo/southamerica	Fri Mar 15 18:49:53 2013
@@ -11,6 +11,10 @@
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
 #
+# For data circa 1899, a common source is:
+# Milne J. Civil time. Geogr J. 1899 Feb;13(2):173-94
+# <http://www.jstor.org/stable/1774359>.
+#
 # Gwillim Law writes that a good source
 # for recent time zone data is the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
@@ -381,21 +385,11 @@ Rule	Arg	2008	only	-	Oct	Sun>=15	0:00	1:
 # <a/>
 # is the official page for the Province Government).
 #
-# There's also a note in only one of the major national papers (La Nación) at
-# <a href="http://www.lanacion.com.ar/nota.asp?nota_id=1107912";>
+# There's also a note in only one of the major national papers ...
 # http://www.lanacion.com.ar/nota.asp?nota_id=1107912
-# </a>
 #
-# The press release says:
-#  (...) anunció que el próximo domingo a las 00:00 los puntanos deberán
-# atrasar una hora sus relojes.
-#
-# A partir de entonces, San Luis establecerá el huso horario propio de
-# la Provincia. De esta manera, durante el periodo del calendario anual
-# 2009, el cambio horario quedará comprendido entre las 00:00 del tercer
-# domingo de marzo y las 24:00 del segundo sábado de octubre.
-# Quick&dirty translation
-# (...) announced that next Sunday, at 00:00, Puntanos (the San Luis
+# The press release says [quick and dirty translation]:
+# ... announced that next Sunday, at 00:00, Puntanos (the San Luis
 # inhabitants) will have to turn back one hour their clocks
 #
 # Since then, San Luis will establish its own Province timezone. Thus,
@@ -457,6 +451,9 @@ Rule	Arg	2008	only	-	Oct	Sun>=15	0:00	1:
 # rules...San Luis is still using "Western ARgentina Time" and it got
 # stuck on Summer daylight savings time even though the summer is over.
 
+# From Paul Eggert (2013-02-21):
+# Milne says Cordoba time was -4:16:48.2.  Round to the nearest second.
+
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
 #
 # Buenos Aires (BA), Capital Federal (CF),
@@ -812,9 +809,9 @@ Zone	America/La_Paz	-4:32:36 -	LMT	1890
 
 # From Guilherme Bernardes Rodrigues (2011-10-07):
 # There is news in the media, however there is still no decree about it.
-# I just send a e-mail to Zulmira Brandão at
+# I just send a e-mail to Zulmira Brandao at
 # <a href="http://pcdsh01.on.br/";>http://pcdsh01.on.br/</a> the
-# oficial agency about time in Brazil, and she confirmed that the old rule is
+# official agency about time in Brazil, and she confirmed that the old rule is
 # still in force.
 
 # From Guilherme Bernardes Rodrigues (2011-10-14)
@@ -1243,9 +1240,13 @@ Zone America/Rio_Branco	-4:31:12 -	LMT	1
 # b. Saturday, September 1, 2012, clocks should go forward 60 minutes; that is,
 # at 23:59:59, instead of passing to 0:00, the time should be adjusted to be
 # 01:00 on September 2.
-#
-# Note that...this is yet another "temporary" change that will be reevaluated
-# AGAIN in 2013.
+
+# From Steffen Thorsen (2013-02-15):
+# According to several news sources, Chile has extended DST this year,
+# they will end DST later and start DST earlier than planned.  They
+# hope to save energy.  The new end date is 2013-04-28 00:00 and new
+# start date is 2013-09-08 00:00....
+# http://www.gob.cl/informa/2013/02/15/gobierno-anuncia-fechas-de-cambio-de-hora-para-el-ano-2013.htm
 
 # NOTE: ChileAQ rules for Antarctic bases are stored separately in the
 # 'antarctica' file.
@@ -1288,10 +1289,8 @@ Rule	Chile	2009	only	-	Mar	Sun>=9	3:00u	
 Rule	Chile	2010	only	-	Apr	Sun>=1	3:00u	0	-
 Rule	Chile	2011	only	-	May	Sun>=2	3:00u	0	-
 Rule	Chile	2011	only	-	Aug	Sun>=16	4:00u	1:00	S
-Rule	Chile	2012	only	-	Apr	Sun>=23	3:00u	0	-
-Rule	Chile	2012	only	-	Sep	Sun>=2	4:00u	1:00	S
-Rule	Chile	2013	max	-	Mar	Sun>=9	3:00u	0	-
-Rule	Chile	2013	max	-	Oct	Sun>=9	4:00u	1:00	S
+Rule	Chile	2012	max	-	Apr	Sun>=23	3:00u	0	-
+Rule	Chile	2012	max	-	Sep	Sun>=2	4:00u	1:00	S
 # IATA SSIM anomalies: (1992-02) says 1992-03-14;
 # (1996-09) says 1998-03-08.  Ignore these.
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
@@ -1313,17 +1312,23 @@ Zone Pacific/Easter	-7:17:44 -	LMT	1890
 # San Felix, and Antarctic bases, are like America/Santiago.
 
 # Colombia
+
+# Milne gives 4:56:16.4 for Bogota time in 1899; round to nearest.  He writes,
+# "A variation of fifteen minutes in the public clocks of Bogota is not rare."
+
 # Rule	NAME	FROM	TO	TYPE	IN	ON	AT	SAVE	LETTER/S
 Rule	CO	1992	only	-	May	 3	0:00	1:00	S
 Rule	CO	1993	only	-	Apr	 4	0:00	0	-
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	America/Bogota	-4:56:20 -	LMT	1884 Mar 13
-			-4:56:20 -	BMT	1914 Nov 23 # Bogota Mean Time
+Zone	America/Bogota	-4:56:16 -	LMT	1884 Mar 13
+			-4:56:16 -	BMT	1914 Nov 23 # Bogota Mean Time
 			-5:00	CO	CO%sT	# Colombia Time
 # Malpelo, Providencia, San Andres
 # no information; probably like America/Bogota
 
 # Curacao
+
+# Milne gives 4:35:46.9 for Curacao mean time; round to nearest.
 #
 # From Paul Eggert (2006-03-22):
 # Shanks & Pottenger say that The Bottom and Philipsburg have been at
@@ -1340,7 +1345,7 @@ Zone	America/Bogota	-4:56:20 -	LMT	1884 
 # though, as far as we know.
 #
 # Zone	NAME		GMTOFF	RULES	FORMAT	[UNTIL]
-Zone	America/Curacao	-4:35:44 -	LMT	1912 Feb 12	# Willemstad
+Zone	America/Curacao	-4:35:47 -	LMT	1912 Feb 12	# Willemstad
 			-4:30	-	ANT	1965 # Netherlands Antilles Time
 			-4:00	-	AST
 
@@ -1354,6 +1359,8 @@ Link	America/Curacao	America/Kralendijk 
 
 # Ecuador
 #
+# Milne says the Sentral and South American Telegraph Company used -5:24:15.
+#
 # From Paul Eggert (2007-03-04):
 # Apparently Ecuador had a failed experiment with DST in 1992.
 # <http://midena.gov.ec/content/view/1261/208/> (2007-02-27) and

Index: src/share/zoneinfo/zone.tab
diff -u src/share/zoneinfo/zone.tab:1.1.1.39.4.3 src/share/zoneinfo/zone.tab:1.1.1.39.4.4
--- src/share/zoneinfo/zone.tab:1.1.1.39.4.3	Tue Jul 31 08:48:10 2012
+++ src/share/zoneinfo/zone.tab	Fri Mar 15 18:49:53 2013
@@ -159,7 +159,8 @@ CW	+1211-06900	America/Curacao
 CX	-1025+10543	Indian/Christmas
 CY	+3510+03322	Asia/Nicosia
 CZ	+5005+01426	Europe/Prague
-DE	+5230+01322	Europe/Berlin
+DE	+5230+01322	Europe/Berlin	most locations
+DE	+4742+00841	Europe/Busingen	Busingen
 DJ	+1136+04309	Africa/Djibouti
 DK	+5540+01235	Europe/Copenhagen
 DM	+1518-06124	America/Dominica
@@ -341,8 +342,10 @@ RU	+5345+08707	Asia/Novokuznetsk	Moscow+
 RU	+5601+09250	Asia/Krasnoyarsk	Moscow+04 - Yenisei River
 RU	+5216+10420	Asia/Irkutsk	Moscow+05 - Lake Baikal
 RU	+6200+12940	Asia/Yakutsk	Moscow+06 - Lena River
+RU	+623923+1353314	Asia/Khandyga	Moscow+06 - Tomponsky, Ust-Maysky
 RU	+4310+13156	Asia/Vladivostok	Moscow+07 - Amur River
 RU	+4658+14242	Asia/Sakhalin	Moscow+07 - Sakhalin Island
+RU	+643337+1431336	Asia/Ust-Nera	Moscow+07 - Oymyakonsky
 RU	+5934+15048	Asia/Magadan	Moscow+08 - Magadan
 RU	+5301+15839	Asia/Kamchatka	Moscow+08 - Kamchatka
 RU	+6445+17729	Asia/Anadyr	Moscow+08 - Bering Sea

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